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ServiceNameDiscoveryServiceHandler.java
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ServiceNameDiscoveryServiceHandler.java
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/*
* Copyright 2017, OpenSkywalking Organization All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Project repository: https://github.com/OpenSkywalking/skywalking
*/
package org.skywalking.apm.collector.agent.grpc.handler;
import io.grpc.stub.StreamObserver;
import java.util.List;
import org.skywalking.apm.collector.agent.stream.AgentStreamModule;
import org.skywalking.apm.collector.agent.stream.service.register.IServiceNameService;
import org.skywalking.apm.collector.core.module.ModuleManager;
import org.skywalking.apm.collector.server.grpc.GRPCHandler;
import org.skywalking.apm.network.proto.ServiceNameCollection;
import org.skywalking.apm.network.proto.ServiceNameDiscoveryServiceGrpc;
import org.skywalking.apm.network.proto.ServiceNameElement;
import org.skywalking.apm.network.proto.ServiceNameMappingCollection;
import org.skywalking.apm.network.proto.ServiceNameMappingElement;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author peng-yongsheng
*/
public class ServiceNameDiscoveryServiceHandler extends ServiceNameDiscoveryServiceGrpc.ServiceNameDiscoveryServiceImplBase implements GRPCHandler {
private final Logger logger = LoggerFactory.getLogger(ServiceNameDiscoveryServiceHandler.class);
private final IServiceNameService serviceNameService;
public ServiceNameDiscoveryServiceHandler(ModuleManager moduleManager) {
this.serviceNameService = moduleManager.find(AgentStreamModule.NAME).getService(IServiceNameService.class);
}
@Override public void discovery(ServiceNameCollection request,
StreamObserver<ServiceNameMappingCollection> responseObserver) {
List<ServiceNameElement> serviceNameElementList = request.getElementsList();
ServiceNameMappingCollection.Builder builder = ServiceNameMappingCollection.newBuilder();
for (ServiceNameElement serviceNameElement : serviceNameElementList) {
int applicationId = serviceNameElement.getApplicationId();
String serviceName = serviceNameElement.getServiceName();
int serviceId = serviceNameService.getOrCreate(applicationId, serviceName);
if (serviceId != 0) {
ServiceNameMappingElement.Builder mappingElement = ServiceNameMappingElement.newBuilder();
mappingElement.setServiceId(serviceId);
mappingElement.setElement(serviceNameElement);
builder.addElements(mappingElement);
}
}
responseObserver.onNext(builder.build());
responseObserver.onCompleted();
}
}